845nm Optical Bandpass Filter (FWHM 50nm)

Product Overview: Achieve precise optical filtering with our 845nm Optical Bandpass Filter, engineered to deliver optimal performance for wavelength-specific applications. Featuring a Full Width at Half Maximum (FWHM) of 50nm, this filter isolates the 845nm wavelength with high clarity and minimal distortion.

Key Features:

• Central Wavelength: 845nm
• Bandwidth (FWHM): 50nm
• High Transmission: Maximizes light throughput within the 845nm range for clear, accurate results.
• Filter Type: Bandpass
• Wavelength Range: 820nm – 870nm (typical)
• Transmission Peak: 845nm
• Blockage: Excellent out-of-band rejection to minimize signal interference.
• Dimensions: Custom sizes and configurations available.
• Mounting: Compatible with standard optical mounts and holders.

Coligh’s stock standard 850nm thin film optical filters feature:

• Feature: NIR bandpass filter
• Center wavenelgt： 845±5nm
• FWHM: 50±5nm
• Blocking range: 200-1100nm
• Blocking depth: OD3
• Transmission Peak: Above 90%
• Thickness：0.5mm, 0.55mm, 0.7mm, 1.0mm, 1.1mm
• Size: Any size below 100*100mm

Custom option:

• Bandwidth: 10nm, 25nm, 30nm, 50nm, 60nm, 70nm, 100nm, 150nm any bandwith client request
• Blocking depth:  OD4, OD5, OD6 is availiable
• Size: round or square smaller than 100*100mm
• Material thickness: Depend on request
• Transmission and blocking rang: custom as per requirement or between 200nm to 1500nm

Applications:

• Fluorescence Microscopy: Ideal for enhancing the signal of fluorophores that emit around 845nm, providing clearer images and better contrast in biological and material science research.
• Optical Communication: Optimizes performance in fiber optic systems by filtering out unwanted wavelengths and focusing on the 845nm transmission, improving data integrity and signal quality.
• Spectroscopy: Enhances spectral measurements by isolating specific spectral lines, crucial for accurate analysis in chemical and physical research.
• Laser Systems: Enhances the performance of laser systems by filtering and stabilizing the output wavelength around 845nm, crucial for precision applications and experiments.
• Biomedical Imaging: Supports various imaging techniques by providing wavelength-specific light isolation, essential for advanced diagnostic and therapeutic applications.